Question

Identify all prime numbers between 1 and 30 can be written as the sum of two prime numbers. In how many ways can 18 be expressed as the sum of two prime numbers? List all the ways. pressed as the sum of three different prime​

Answer 1

Answer: 1,2,3,5,7,11,13,17,19,23 and 29 are the prime number between 1 to 30

It can be expressed as the sum of two prime number

For Example:- 1 + 1 = 2

2 + 3 = 5

5 + 2 = 7

1 + 1 = 2

11 + 2 = 13

17 + 2 = 19

18 can be expressed as the sum of two number thrice by :-

1] 11 + 7 = 18

2] 13 + 5 = 18

3] 17 + 1 = 18

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